Friedrich Rathgen has written:
'Verwitterung und Erhaltung von Werksteinen' -- subject(s): Building stones, Testing
Friedrich Rathgen died in 1942.
Friedrich Rathgen was born in 1862.
F. Rathgen has written: 'The preservation of antiquities'
Friedrich Barthel has written: 'Erdepfelblumme'
Friedrich Klages has written: 'Chemie'
Friedrich Krapf has written: 'ALTBACH'
Friedrich Bechmann has written: 'Jacobis \\'
Friedrich Schurr has written: 'Cervantes'
Friedrich Martin Seitz has written: 'Friedrich Martin Seitz'
Friedrich Meckseper has written: 'Friedrich Meckseper' -- subject(s): Exhibitions
Friedrich von Sallet has written: 'Friedrich von Sallet'
Friedrich Staub has written: 'Schweizerisches Idiotikon'